The tourist is the ______in this system. A:push factor B:manager C:pull factor D:actor 答案: actor如需购买完整答案，请点击下方红字：点击这里，购买完整答案获取更多网课答案，请点击这里，进入www.mengmianren.com 闹痉塑将试奔厂施僚攀番妒判